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Intracerebral cyst associated with meningioma.

Authors
  • Ueno, Y
  • Tanaka, A
  • Nakayama, Y
  • Nomoto, Y
Type
Published Article
Journal
Clinical Neurology and Neurosurgery
Publisher
Elsevier
Publication Date
Dec 01, 1999
Volume
101
Issue
4
Pages
271–274
Identifiers
PMID: 10622460
Source
Medline
License
Unknown

Abstract

A 27-year-old male had experienced an episode of severe headache and nausea, sometimes accompanied by an inability to name objects. Magnetic resonance imaging showed a huge cyst within the left temporal lobe and a high degree of brain shift by it. A small round mass, which appeared to be a mural nodule, was located in the tip of left middle fossa. It was highly enhancing together with its attached dura mater, but the cyst wall was not enhanced. Sphenoid ridge meningioma with an associated intracerebral cyst or cystic glioma invading the dura mater was suspected. During surgery the small tumor was found to be arising from the sphenoid ridge and evaginating into the tip of the temporal lobe. The intracerebral cyst had a smooth surface and the tumor was visible outside the cyst through its wall. The tumor was totally removed, but the cyst wall was left without excision. Postoperatively he had no symptoms. Histological examination showed a microcystic meningioma. It is stressed that differentiations of cystic meningiomas from other cystic tumors and, of intratumoral from extratumoral cystic meningiomas using radiological, operative or histological findings are important.

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